Automatic cancellation of insert mode

vimrc

@@ -30,6 +30,10 @@ nnoremap k gk
 imap jj <Esc>
 
 "Autoexit to normal mode
+if has("autocmd")
 	au CursorHoldI * stopinsert
 	au InsertEnter * let updaterestore=&updatetime | set updatetime=15000
 	au InsertLeave * let &updatetime=updaterestore
+endif
+
+set autoread		"automatically reload files